Senior AI/ML Engineer with Top Secret Clearance

CATHEXIS; Tysons (VA); On-site; USD 148,000 - 179,000; Full time

Benefits offered by this job

Performance Bonuses

Medical Insurance

Dental Insurance

Vision Insurance

401(k) Plan (Traditional and ROTH)

Life Insurance (Basic, Voluntary & AD&

Paid Time Off

11 Federal Holidays

Parental Leave

Commuter Benefits

Short Term & Long Term Disability

Training & Development

Wellness Program

Community Outreach Initiatives

Job summary

CATHEXIS is seeking a Senior AI/ML Software Developer with an active Top Secret Clearance to join our team in Tysons, VA. The role involves developing AI applications alongside a team of highly skilled engineers, using JavaScript, Python or Java, and collaborating with cross‑functional groups to deliver high‑quality solutions.

You will design, implement, and maintain scalable software, build tools for large‑scale data analysis, perform debugging and optimization, and leverage modern LLM tools to

Qualifications

• Active Top Secret Clearance or above required.
• Bachelor’s degree in computer science or related field.
• 5+ years relevant experience.
• Experience with JavaScript, Java, or other OO language(s).
• Hands-on experience with object-oriented programming, data structures, algorithms, profiling & optimization.
• Passion for developing team-oriented solutions to complex engineering problems.
• Proficient in leveraging modern LLM tools to accelerate development workflows and enhance code quality.

Responsibilities

• Collaborate with other developers, staff and leadership to design solutions that solve customer problems
• Design, develop, and maintain technical solutions
• Build and improve tools for users to understand and analyze large-scale data
• Perform debugging, troubleshooting, modifications and testing of software and solutions
• Develop documentation, and collaborate in the development of technical procedures and user support guides

Skills

Active Top Secret Clearance

JavaScript

Java

Object-oriented programming

Data structures & algorithms

Team collaboration

LLM tooling

Problem solving

Education

Bachelor’s degree in computer science or related field

Job description

CATHEXIS is seeking a Senior AI/ML Software Developer with an active Top Secret Clearance to join our team in Tysons, VA. The role involves developing AI applications alongside a team of highly skilled engineers, using JavaScript, Python or Java, and collaborating with cross‑functional groups to deliver high‑quality solutions.

You will design, implement, and maintain scalable software, build tools for large‑scale data analysis, perform debugging and optimization, and leverage modern LLM tools to